60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
// +build linux
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package main
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import (
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"encoding/json"
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"os"
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"github.com/opencontainers/runc/libcontainer"
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"github.com/opencontainers/runc/libcontainer/utils"
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"github.com/urfave/cli"
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)
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var stateCommand = cli.Command{
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Name: "state",
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Usage: "output the state of a container",
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ArgsUsage: `<container-id>
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Where "<container-id>" is your name for the instance of the container.`,
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Description: `The state command outputs current state information for the
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instance of a container.`,
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Action: func(context *cli.Context) error {
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if err := checkArgs(context, 1, exactArgs); err != nil {
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return err
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}
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container, err := getContainer(context)
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if err != nil {
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return err
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}
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containerStatus, err := container.Status()
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if err != nil {
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return err
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}
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state, err := container.State()
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if err != nil {
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return err
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}
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pid := state.BaseState.InitProcessPid
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if containerStatus == libcontainer.Stopped {
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pid = 0
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}
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bundle, annotations := utils.Annotations(state.Config.Labels)
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cs := containerState{
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Version: state.BaseState.Config.Version,
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ID: state.BaseState.ID,
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InitProcessPid: pid,
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Status: containerStatus.String(),
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Bundle: bundle,
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Rootfs: state.BaseState.Config.Rootfs,
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Created: state.BaseState.Created,
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Annotations: annotations,
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}
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data, err := json.MarshalIndent(cs, "", " ")
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if err != nil {
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return err
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}
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os.Stdout.Write(data)
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return nil
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},
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}
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